The data may be used and redistributed for free but is not intendedfor legal use, since it may contain inaccuracies. Neither the dataContributor, ERD, NOAA, nor the United States Government, nor anyof their employees or contractors, makes any warranty, express orimplied, including warranties of merchantability and fitness for aparticular purpose, or assumes any legal liability for the accuracy,completeness, or usefulness, of this information.

NOAA CoastWatch distributes chlorophyll-a concentration data from NASA's Aqua satellite. Measurements are gathered by the Moderate Resolution Imaging Spectroradiometer (MODIS) carried aboard the spacecraft. Data is received from the satellite and processed to level 2 by the Oregon State University (OSU) College of Oceanic and Atmospheric Sciences (COAS).